MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b6e57fb1da52bca04f041af48b313f321cd3e89f30ae02619dd65c1ca4593504. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Formbook
Vendor detections: 8
| SHA256 hash: | b6e57fb1da52bca04f041af48b313f321cd3e89f30ae02619dd65c1ca4593504 |
|---|---|
| SHA3-384 hash: | c109be7dd0eaf5e0a59429d3d3f25edd2a0207670185735653b34f58a62373e60e814ca5a60fdf55612f423cbdefa1f2 |
| SHA1 hash: | a621220dfb05dc1aa372862afa189d381fa9f968 |
| MD5 hash: | e5887f98d6685826aa5688e24028085b |
| humanhash: | arkansas-batman-finch-sink |
| File name: | SecuriteInfo.com.W32.MSIL_Kryptik.GXM.genEldorado.20706.25527 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 643'584 bytes |
| First seen: | 2022-06-01 10:43:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger) |
| ssdeep | 12288:EWkVVuoIEuy3Mza9Vv9wU7cUykbgdkUJHZ/qo:EWkVd/uylP+UwU1gnlZ/qo |
| TLSH | T16AD4F15A325C434AF52EDFB38424534AB3267D5BAC61FBC57DCB930B283250D48AE52E |
| TrID | 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13101/52/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Kryptik.GXM.genEldorado.20706.25527
Verdict:
Suspicious activity
Analysis date:
2022-06-01 10:52:04 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-01 08:13:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 26 (73.08%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader campaign:hfhf loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
6ede0256508a9fa5b3b840f654b412c23be31c472b2f9c0ad73015320021dedb
MD5 hash:
c78c92f107717e12bec0bb19a23c9b1f
SHA1 hash:
395f334ef7d9a0b9628b92fcdc6b84be1899c1c4
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
b6e57fb1da52bca04f041af48b313f321cd3e89f30ae02619dd65c1ca4593504
MD5 hash:
e5887f98d6685826aa5688e24028085b
SHA1 hash:
a621220dfb05dc1aa372862afa189d381fa9f968
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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